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MAX232E: Difference between MAX232E and MAX3232E

Tiger Yeh
Expert 4885 points
Part Number: MAX232E
Other Parts Discussed in Thread: MAX3232E

Hi,

May I know the difference between MAX232E and MAX3232E?

Could they be replacement for each other?

Thanks and Best regards,

Tiger

  • 0
    Guru 280180 points

    The MAX232E requires a 5 V supply; the MAX3232E also works with 3.3 V.

  • 0
    TI__Guru 58860 points

    Hi Tiger,

    Clemens is correct //Thanks for the help//

    Another difference is the output swing on the cable driver side is wider in the 232 device (+/-7V) compared to the 3232 device(+/-5V typical).

    Absolute max is also slightly higher on the 232 device for input voltages at +/-30V.

    They can replace each other if you're okay with these differences. 

    -Bobby